.about-nav {
  display: table;
  table-layout: fixed;
  width: 100%;
}
.about-nav-item {
  display: table-cell;
  vertical-align: middle;
  text-align: center;
}
.about-nav-item > a {
  display: block;
  height: 60px;
  line-height: 60px;
  color: #fff;
  background: #b48c68;
  cursor: pointer;
  font-size: 18px;
  transition: all .3s;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 10px;
}
.about-nav-item:hover > a,
.about-nav-item.active > a{
  background: #917255;
}
.about-panel:before,
.about-panel:after {
  content: '';
  display: table;
}
.about-panel:after {
  clear: both;
}
.about-panel-item {
  display: none;
  padding: 40px;
  background: #fff;
  border: 1px solid #b48c68;
  border-top: none;
  font-size: 16px;
}
.about-panel-item.active {
  display: block;
}
.about-panel-item h4 {
  margin-top: 40px;
  margin-bottom: 20px;
  font-weight: 700;
  color: #e16d00;
}
.about-panel-item > h4:first-child {
  margin-top: 0;
}
.about-panel-item p {
  line-height: 1.7;
}